import { constantRouterMap, asyncRouterMap } from '@/router/routerMap'
import permTypes from './types/permission'

// /**
//  * 通过meta.role判断是否与当前用户权限匹配
//  * @param roles
//  * @param route
//  */
// function hasPermission (roles, route) {
//   if (route.meta && route.meta.roles) {
//     return roles.some(role => route.meta.roles.indexOf(role) >= 0)
//   } else {
//     return true
//   }
// }

// /**
//  * 递归过滤异步路由表，返回符合用户角色权限的路由表
//  * @param asyncRouterMap
//  * @param roles
//  */
// function filterAsyncRouter (asyncRouterMap, roles) {
//   const accessedRouters = asyncRouterMap.filter(route => {
//     if (hasPermission(roles, route)) {
//       if (route.children && route.children.length) {
//         route.children = filterAsyncRouter(route.children, roles)
//       }
//       return true
//     }
//   })
//   return accessedRouters
// }

const state = {
  routers: constantRouterMap,
  addRouters: []
}

const actions = {
  [permTypes.GEN_ROUTES] ({ commit }, data) {
    return new Promise((resolve) => {
      // const { roles } = data
      // let accessedRouters
      // if (roles.indexOf('admin') !== -1) {
      //   accessedRouters = asyncRouterMap
      // } else {
      //   accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
      // }
      let accessedRouters = asyncRouterMap
      commit(permTypes.SET_ROUTES, accessedRouters)
      resolve()
    })
  }
}

const mutations = {
  [permTypes.SET_ROUTES] (state, routers) {
    state.addRouters = routers
    state.routers = constantRouterMap.concat(routers)
  }
}

export default {
  state,
  actions,
  mutations
}
